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Fiat Panda Key Fob Replacement Fiat Panda keyfobs are equipped with a transponder, which sends signals from the fob to the car in order to unlock doors or turn on the motor. The fob could stop working for a variety. A dead battery for the coin is the most common reason for the malfunction of a key fob. Other causes are water damage, a faulty module, and interference signals. Dead Coin Battery Replace the battery if your key fob has gone out of service. Use a brand new button battery that is the same size, voltage and specifications as the previous one. If the key fob was exposed to water (such as rain or saltwater at the beach) it should be cleaned prior to being used again. A paper towel soaked in alcohol or electronic cleaner can work wonders. If the key fob is not working despite not being exposed to water it could be due to a glitch in the receiver module or an internal electronic chip. Reprogramming the keyfob using an OBDII scan can assist in these situations. Water Damage If your key fob took a bath in the pool or puddle or walked through the washing machine, you may have some water damage. It's possible to get it back in working order by getting rid of the batteries and cleaning the circuit board with rubbing alcohol. It's best to allow the fob to dry completely before putting in a new battery. If your key fob isn't working even after replacing the battery and changing the program, you could have a faulty receiver module. You can find reprogramming procedures for most remote key fobs on YouTube or in your owner's guide. You could also try resetting the car's onboard computer using the OBDII scan tool. Faulty Receiver Module The key fob has a chip that connects to the car's system. If this chip becomes damaged, it will be unable to longer be able to send or receive signals to the vehicle. This could be due to dropping the key fob, or due to exposure to water. If the key fob you have purchased has stopped working due to water exposure or water exposure, you might be able to fix it by attempting to clean the chip using electronic cleaner or isopropyl ethanol. However, if the key fob continues to not respond following cleaning, there is a good chance that the module is defective and will require to be replaced. A malfunctioning receiver module could also cause the remote control key to stop functioning. This usually happens due to electromagnetic interference. fiat ducato key replacement that is malfunctioning The electronic chip in your key fob plays an important function in the anti-theft security system of your car. It sends a signal to the immobiliser unit of your car to inform it whether the key is legitimate. If the chip is damaged or damaged, your car will not start. A faulty chip may also be caused by interference caused by objects, bad weather or transmitters near your vehicle. In this situation, a new fob will be required. Contacts for the battery that are damaged The battery contacts of a key fob can be damaged through heavy use. If they are damaged or bent, the key fob will not transmit any signals to the receiver modules inside the car. Modern fobs have rubber seals that block out water. A splash of water or a light rain is acceptable but submerging them into salt water could damage the electronic chip. The key fob contains an embedded chip that communicates to the immobilizer system of the vehicle, allowing it to start it. This system uses crypto coding systems in the latest vehicles, or the old red key system in older models. This chip needs to be changed if it is malfunctioning. The 12 Volt Battery is faulty A damaged battery can cause the remote to stop working. When this happens the car's computer will not be able to recognize that the remote is inside the vehicle. Test the battery with an voltmeter prior to replacing it to determine its capacity. A fully charged battery will read 12.6 volts. If the reading falls dramatically, it is time to replace the battery. To determine the capacity of a battery, place an electrical load on it for a few minutes. This will remove approximately 1% of the charge on the surface. Then, you can measure the voltage once more. The longer a battery can hold its voltage greater is its capacity. Ideal is that it stays close to 12 volts during several minutes. Faulty Radio Signal This is the most common reason for a key fob that ceases to send signals to the car. The battery can be replaced to solve this issue. It is important to buy an identical battery dimensions and voltage as the original. The buttons are not impervious to destruction and can be damaged by a lot. The battery buttons and contacts are delicate and are susceptible to being bent or broken by rough usage. Other transmitters or objects operating on the same frequency could also disrupt the signal. A light-control panel at your home, for instance can interfere with key fobs that have the same bandwidth. This could cause interference with the remote control in your car. Faulty OBDII Scan Tool There are a variety of reasons why a scanner tool may not work. Some are more complicated than others. Professional scan tools allow a mechanic to examine the car's systems and run a variety of self-tests. These are great time savers but they can also be very expensive, out of the reach of most DIYers. If your OBD2 scanner doesn't work, check the voltage on terminal 16 (scan tool power) and terminal 4 (chassis ground). If both are in good condition there is a chance that a fuse has been blown. This is among the most frequent reasons for failure of the scanner. It is generally simple to fix the issue by replacing the fuse that was blown.